1
Place the board and components
Put the board within reach of all players, place 5 ports, 5 pumping stations, and 36 water cubes nearby, and place the 4 hydraulic structure tokens on the board as shown
2
Place initial dikes
Put 1 dike on the board in each of the red dike locations, using all 50 dikes (two locations begin with 2 dikes)
3
Remove variant components
Return all 12 Objective cards, 36 population cubes, and the Population Loss card to the box unless playing the variant
4
Set the sea level
Place the Sea Level marker on the lowest "2" space of the Sea Level track
5
Add initial sea water
Place 2 water cubes in both the Noordzee and Zuiderzee
6
Add Zuiderzee region water
Place 1 cube in Wieringermeer, 2 cubes in Markerwaard, 2 cubes in Flevoland, and 2 cubes in Noordoostpolder
7
Degrade regions (first draw)
Shuffle Dike Failure cards, flip 3 cards, and degrade each matching region 3 times by removing dikes or adding water cubes if no dikes remain (max 3 cubes per region during setup)
8
Degrade regions (second draw)
Flip 3 more Dike Failure cards and degrade each region 2 times
9
Degrade regions (third draw)
Flip 3 more Dike Failure cards and degrade each region 1 time
10
Create Dike Failure deck
Place the 9 drawn cards faceup in the discard pile; remaining cards form the Dike Failure deck
11
Distribute role cards
Give each player a Reference card, deal 1 shuffled Role card faceup to each player with matching pawn, and place all pawns in Delfland
12
Prepare Event cards
Shuffle Event cards facedown, set aside the number shown in the table (2 players: 4 events, 3 players: 5 events, 4 players: 6 events, 5 players: 8 events), add to Region cards, return unused Events to box
13
Deal starting hands
Shuffle Player cards (Regions and Events), deal faceup to players (2 players: 4 cards, 3 players: 3 cards, 4-5 players: 2 cards)
14
Determine first player
The player with the Region card listing the shortest "Primary Defense Line" goes first
15
Prepare Player deck with Storms
Choose difficulty (6 Storm cards for Introductory, 7 for Standard, 8 for Heroic), divide remaining Player cards into equal facedown piles matching number of Storm cards, shuffle 1 Storm card into each pile, stack piles with smaller ones on bottom
16
Place Reminder token
Set it next to the Player deck to later remind players of the Operate Pumps step
17
Resolve initial water flow
Check regions with 3 cubes and add cubes to adjacent unprotected low-elevation regions until they have at least 2 cubes; then check regions with 2 cubes and add cubes until adjacent regions have at least 1 cube (water never flows across dikes or into high-elevation regions)